Triangle Accuracy Test using T-square
A test to ensure the triangle is accurate by drawing a perpendicular line from a T-square.
Keywordstriangles, perpendicular, T-square, Tsquare, T-squares, tsquares, Triangle Test Using a T-square, triangle ruler, triangle test
GalleriesMechanical Drawing Tools
French, Thomas E A Manual of Engineering Drawing for Students and Draftsmen (New York, NY: McGraw-Hill, 1911)